FIX: 'LF PYRAMID' the crc8_MAXIM and crc16_DNP was calling the wrong crc method....

[proxmark3-svn] / client / cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index fc76e8983bc4ae195ec34d9fdf539b3912ee1c70..f28f84ceff0475c5206ae27d51a61f9ae5219032 100644 (file)
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -10,7 +10,6 @@
 #include <stdio.h>\r
 #include <string.h>\r
 #include <inttypes.h>\r
 #include <stdio.h>\r
 #include <string.h>\r
 #include <inttypes.h>\r

-#include <time.h>\r

 #include "proxmark3.h"\r
 #include "ui.h"\r
 #include "graph.h"\r
 #include "proxmark3.h"\r
 #include "ui.h"\r
 #include "graph.h"\r


@@ -22,9 +21,7 @@
 #include "util.h"\r
 #include "data.h"\r
 #include "lfdemod.h"\r
 #include "util.h"\r
 #include "data.h"\r
 #include "lfdemod.h"\r

-#include "../common/crc.h"\r
-#include "../common/iso14443crc.h"\r
-#include "cmdhf14a.h"\r
+#include "cmdhf14a.h" //for getTagInfo\r

 \r
 #define T55x7_CONFIGURATION_BLOCK 0x00\r
 #define T55x7_PAGE0 0x00\r
 \r
 #define T55x7_CONFIGURATION_BLOCK 0x00\r
 #define T55x7_PAGE0 0x00\r


@@ -45,12 +42,13 @@ void Set_t55xx_Config(t55xx_conf_block_t conf){
 int usage_t55xx_config(){\r
        PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");\r
        PrintAndLog("Options:");\r
 int usage_t55xx_config(){\r
        PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");\r
        PrintAndLog("Options:");\r

-       PrintAndLog("       h                        This help");\r
-       PrintAndLog("       b <8|16|32|40|50|64|100|128>     Set bitrate");\r
-       PrintAndLog("       d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa>  Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
-       PrintAndLog("       i [1]                            Invert data signal, defaults to normal");\r
-       PrintAndLog("       o [offset]                       Set offset, where data should start decode in bitstream");\r
-       PrintAndLog("       Q5                            Set as Q5(T5555) chip instead of T55x7");\r
+       PrintAndLog("       h                                - This help");\r
+       PrintAndLog("       b <8|16|32|40|50|64|100|128>     - Set bitrate");\r
+       PrintAndLog("       d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa>  - Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
+       PrintAndLog("       i [1]                            - Invert data signal, defaults to normal");\r
+       PrintAndLog("       o [offset]                       - Set offset, where data should start decode in bitstream");\r
+       PrintAndLog("       Q5                               - Set as Q5(T5555) chip instead of T55x7");\r
+       PrintAndLog("       ST                               - Set Sequence Terminator on");\r

        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx config d FSK          - FSK demodulation");\r
        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx config d FSK          - FSK demodulation");\r


@@ -94,7 +92,7 @@ int usage_t55xx_write(){
 int usage_t55xx_trace() {\r
        PrintAndLog("Usage:  lf t55xx trace [1]");\r
        PrintAndLog("Options:");\r
 int usage_t55xx_trace() {\r
        PrintAndLog("Usage:  lf t55xx trace [1]");\r
        PrintAndLog("Options:");\r

-       PrintAndLog("     [graph buffer data]  - if set, use Graphbuffer otherwise read data from tag.");\r
+       PrintAndLog("     1             - if set, use Graphbuffer otherwise read data from tag.");\r

        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx trace");\r
        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx trace");\r


@@ -105,7 +103,7 @@ int usage_t55xx_trace() {
 int usage_t55xx_info() {\r
        PrintAndLog("Usage:  lf t55xx info [1]");\r
        PrintAndLog("Options:");\r
 int usage_t55xx_info() {\r
        PrintAndLog("Usage:  lf t55xx info [1]");\r
        PrintAndLog("Options:");\r

-       PrintAndLog("     [graph buffer data]  - if set, use Graphbuffer otherwise read data from tag.");\r
+       PrintAndLog("     1             - if set, use Graphbuffer otherwise read data from tag.");\r

        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx info");\r
        PrintAndLog("");\r
        PrintAndLog("Examples:");\r
        PrintAndLog("      lf t55xx info");\r


@@ -152,7 +150,7 @@ int usage_t55xx_wakup(){
 int usage_t55xx_bruteforce(){\r
        PrintAndLog("This command uses A) bruteforce to scan a number range");\r
        PrintAndLog("                  B) a dictionary attack");\r
 int usage_t55xx_bruteforce(){\r
        PrintAndLog("This command uses A) bruteforce to scan a number range");\r
        PrintAndLog("                  B) a dictionary attack");\r

-    PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");\r
+    PrintAndLog("Usage: lf t55xx bruteforce [h] <start password> <end password> [i <*.dic>]");\r

     PrintAndLog("       password must be 4 bytes (8 hex symbols)");\r
        PrintAndLog("Options:");\r
        PrintAndLog("     h                     - this help");\r
     PrintAndLog("       password must be 4 bytes (8 hex symbols)");\r
        PrintAndLog("Options:");\r
        PrintAndLog("     h                     - this help");\r


@@ -166,7 +164,33 @@ int usage_t55xx_bruteforce(){
     PrintAndLog("");\r
     return 0;\r
 }\r
     PrintAndLog("");\r
     return 0;\r
 }\r

-\r
+int usage_t55xx_recoverpw(){\r
+       PrintAndLog("This command uses a few tricks to try to recover mangled password");\r
+       PrintAndLog("WARNING: this may brick non-password protected chips!");\r
+       PrintAndLog("Usage: lf t55xx recoverpw [password]");\r
+       PrintAndLog("       password must be 4 bytes (8 hex symbols)");\r
+       PrintAndLog("       default password is 51243648, used by many cloners");\r
+       PrintAndLog("Options:");\r
+       PrintAndLog("     h           - this help");\r
+       PrintAndLog("     [password]  - 4 byte hex value of password written by cloner");\r
+       PrintAndLog("");\r
+       PrintAndLog("Examples:");\r
+       PrintAndLog("       lf t55xx recoverpw");\r
+       PrintAndLog("       lf t55xx recoverpw 51243648");\r
+       PrintAndLog("");\r
+       return 0;\r
+}int usage_t55xx_wipe(){\r
+       PrintAndLog("Usage:  lf t55xx wipe [h] [Q5]");\r
+       PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");\r
+       PrintAndLog("Options:");\r
+       PrintAndLog("     h     - this help");\r
+       PrintAndLog("     Q5  - indicates to use the T5555 (Q5) default configuration block");\r
+    PrintAndLog("");\r
+       PrintAndLog("Examples:");\r
+    PrintAndLog("      lf t55xx wipe   -  wipes a t55x7 tag,    config block 0x000880E0");\r
+       PrintAndLog("      lf t55xx wipe Q5 -  wipes a t5555 Q5 tag, config block 0x6001F004");\r
+       return 0;\r
+}\r

 static int CmdHelp(const char *Cmd);\r
 \r
 void printT5xxHeader(uint8_t page){\r
 static int CmdHelp(const char *Cmd);\r
 \r
 void printT5xxHeader(uint8_t page){\r


@@ -260,6 +284,11 @@ int CmdT55xxSetConfig(const char *Cmd) {
                        config.Q5 = TRUE;\r
                        cmdp++;\r
                        break;\r
                        config.Q5 = TRUE;\r
                        cmdp++;\r
                        break;\r

+               case 'S':\r
+               case 's':               \r
+                       config.ST = TRUE;\r
+                       cmdp++;\r
+                       break;\r

                default:\r
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
                        errors = TRUE;\r
                default:\r
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
                        errors = TRUE;\r


@@ -362,6 +391,7 @@ bool DecodeT55xxBlock(){
        char buf[30] = {0x00};\r
        char *cmdStr = buf;\r
        int ans = 0;\r
        char buf[30] = {0x00};\r
        char *cmdStr = buf;\r
        int ans = 0;\r

+       bool ST = config.ST;\r

        uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
        DemodBufferLen = 0x00;\r
 \r
        uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
        DemodBufferLen = 0x00;\r
 \r


@@ -382,7 +412,7 @@ bool DecodeT55xxBlock(){
                        break;\r
                case DEMOD_ASK:\r
                        snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );\r
                        break;\r
                case DEMOD_ASK:\r
                        snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );\r

-                       ans = ASKDemod(cmdStr, FALSE, FALSE, 1);\r
+                       ans = ASKDemod_ext(cmdStr, FALSE, FALSE, 1, &ST);\r

                        break;\r
                case DEMOD_PSK1:\r
                        // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
                        break;\r
                case DEMOD_PSK1:\r
                        // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r


@@ -426,6 +456,14 @@ bool DecodeT5555TraceBlock() {
        return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);\r
 }\r
 \r
        return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);\r
 }\r
 \r

+// sanity check. Don't use proxmark if it is offline and you didn't specify useGraphbuf\r
+static int SanityOfflineCheck( bool useGraphBuffer ){\r
+       if ( !useGraphBuffer && offline) {\r
+               PrintAndLog("Your proxmark3 device is offline. Specify [1] to use graphbuffer data instead");\r
+               return 0;\r
+       }\r
+       return 1;\r
+}\r

 \r
 int CmdT55xxDetect(const char *Cmd){\r
        bool errors = FALSE;\r
 \r
 int CmdT55xxDetect(const char *Cmd){\r
        bool errors = FALSE;\r


@@ -458,15 +496,18 @@ int CmdT55xxDetect(const char *Cmd){
        }\r
        if (errors) return usage_t55xx_detect();\r
        \r
        }\r
        if (errors) return usage_t55xx_detect();\r
        \r

+       // sanity check.\r
+       if (!SanityOfflineCheck(useGB)) return 1;\r
+       \r

        if ( !useGB) {\r
                if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )\r
        if ( !useGB) {\r
                if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )\r

-                       return 0;\r
+                       return 1;\r

        }\r
        \r
        if ( !tryDetectModulation() )\r
                PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
 \r
        }\r
        \r
        if ( !tryDetectModulation() )\r
                PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
 \r

-       return 1;\r
+       return 0;\r

 }\r
 \r
 // detect configuration?\r
 }\r
 \r
 // detect configuration?\r


@@ -487,6 +528,7 @@ bool tryDetectModulation(){
                        tests[hits].bitrate = bitRate;\r
                        tests[hits].inverted = FALSE;\r
                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                        tests[hits].bitrate = bitRate;\r
                        tests[hits].inverted = FALSE;\r
                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                       tests[hits].ST = FALSE;\r

                        ++hits;\r
                }\r
                if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
                        ++hits;\r
                }\r
                if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r


@@ -498,19 +540,32 @@ bool tryDetectModulation(){
                        tests[hits].bitrate = bitRate;\r
                        tests[hits].inverted = TRUE;\r
                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                        tests[hits].bitrate = bitRate;\r
                        tests[hits].inverted = TRUE;\r
                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                       tests[hits].ST = FALSE;\r

                        ++hits;\r
                }\r
        } else {\r
                clk = GetAskClock("", FALSE, FALSE);\r
                if (clk>0) {\r
                        ++hits;\r
                }\r
        } else {\r
                clk = GetAskClock("", FALSE, FALSE);\r
                if (clk>0) {\r

-                       if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
+                       tests[hits].ST = TRUE;\r
+                       // "0 0 1 " == clock auto, invert false, maxError 1.\r
+                       // false = no verbose\r
+                       // false = no emSearch\r
+                       // 1 = Ask/Man\r
+                       // st = true\r
+                       if ( ASKDemod_ext("0 0 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r

                                tests[hits].modulation = DEMOD_ASK;\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                ++hits;\r
                        }\r
                                tests[hits].modulation = DEMOD_ASK;\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                ++hits;\r
                        }\r

-                       if ( ASKDemod("0 1 1", FALSE, FALSE, 1)  && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
+                       tests[hits].ST = TRUE;\r
+                       // "0 0 1 " == clock auto, invert true, maxError 1.\r
+                       // false = no verbose\r
+                       // false = no emSearch\r
+                       // 1 = Ask/Man\r
+                       // st = true\r
+                       if ( ASKDemod_ext("0 1 1", FALSE, FALSE, 1, &tests[hits].ST)  && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r

                                tests[hits].modulation = DEMOD_ASK;\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].modulation = DEMOD_ASK;\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r


@@ -522,6 +577,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
                        if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {\r
                                ++hits;\r
                        }\r
                        if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {\r


@@ -529,6 +585,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
                }\r
                                ++hits;\r
                        }\r
                }\r


@@ -541,6 +598,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
 \r
                                ++hits;\r
                        }\r
 \r


@@ -549,6 +607,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
                }\r
                                ++hits;\r
                        }\r
                }\r


@@ -564,6 +623,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = FALSE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
                        if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
                                ++hits;\r
                        }\r
                        if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r


@@ -571,6 +631,7 @@ bool tryDetectModulation(){
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                tests[hits].bitrate = bitRate;\r
                                tests[hits].inverted = TRUE;\r
                                tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                               tests[hits].ST = FALSE;\r

                                ++hits;\r
                        }\r
                        // PSK2 - needs a call to psk1TOpsk2.\r
                                ++hits;\r
                        }\r
                        // PSK2 - needs a call to psk1TOpsk2.\r


@@ -581,6 +642,7 @@ bool tryDetectModulation(){
                                        tests[hits].bitrate = bitRate;\r
                                        tests[hits].inverted = FALSE;\r
                                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                        tests[hits].bitrate = bitRate;\r
                                        tests[hits].inverted = FALSE;\r
                                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                                       tests[hits].ST = FALSE;\r

                                        ++hits;\r
                                }\r
                        } // inverse waves does not affect this demod\r
                                        ++hits;\r
                                }\r
                        } // inverse waves does not affect this demod\r


@@ -592,6 +654,7 @@ bool tryDetectModulation(){
                                        tests[hits].bitrate = bitRate;\r
                                        tests[hits].inverted = FALSE;\r
                                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
                                        tests[hits].bitrate = bitRate;\r
                                        tests[hits].inverted = FALSE;\r
                                        tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r

+                                       tests[hits].ST = FALSE;\r

                                        ++hits;\r
                                }\r
                        } // inverse waves does not affect this demod\r
                                        ++hits;\r
                                }\r
                        } // inverse waves does not affect this demod\r


@@ -606,6 +669,7 @@ bool tryDetectModulation(){
                config.offset = tests[0].offset;\r
                config.block0 = tests[0].block0;\r
                config.Q5 = tests[0].Q5;\r
                config.offset = tests[0].offset;\r
                config.block0 = tests[0].block0;\r
                config.Q5 = tests[0].Q5;\r

+               config.ST = tests[0].ST;\r

                printConfiguration( config );\r
                return TRUE;\r
        }\r
                printConfiguration( config );\r
                return TRUE;\r
        }\r


@@ -758,14 +822,14 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5)
                uint8_t extend   = PackBits(si, 1, DemodBuffer); si += 1;     //bit 15 extended mode\r
                uint8_t modread  = PackBits(si, 5, DemodBuffer); si += 5+2+1; \r
                //uint8_t pskcr   = PackBits(si, 2, DemodBuffer); si += 2+1;  //could check psk cr\r
                uint8_t extend   = PackBits(si, 1, DemodBuffer); si += 1;     //bit 15 extended mode\r
                uint8_t modread  = PackBits(si, 5, DemodBuffer); si += 5+2+1; \r
                //uint8_t pskcr   = PackBits(si, 2, DemodBuffer); si += 2+1;  //could check psk cr\r

-               uint8_t nml01    = PackBits(si, 1, DemodBuffer); si += 1+5;   //bit 24, 30, 31 could be tested for 0 if not extended mode\r
-               uint8_t nml02    = PackBits(si, 2, DemodBuffer); si += 2;\r
+               //uint8_t nml01    = PackBits(si, 1, DemodBuffer); si += 1+5;   //bit 24, 30, 31 could be tested for 0 if not extended mode\r
+               //uint8_t nml02    = PackBits(si, 2, DemodBuffer); si += 2;\r

                \r
                //if extended mode\r
                bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;\r
 \r
                if (!extMode){\r
                \r
                //if extended mode\r
                bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;\r
 \r
                if (!extMode){\r

-                       if (nml01 || nml02 || xtRate) continue;\r
+                       if (xtRate) continue;  //nml01 || nml02 ||  caused issues on noralys tags\r

                }\r
                //test modulation\r
                if (!testModulation(mode, modread)) continue;\r
                }\r
                //test modulation\r
                if (!testModulation(mode, modread)) continue;\r


@@ -829,6 +893,7 @@ int printConfiguration( t55xx_conf_block_t b){
        PrintAndLog("Bit Rate   : %s", GetBitRateStr(b.bitrate) );\r
        PrintAndLog("Inverted   : %s", (b.inverted) ? "Yes" : "No" );\r
        PrintAndLog("Offset     : %d", b.offset);\r
        PrintAndLog("Bit Rate   : %s", GetBitRateStr(b.bitrate) );\r
        PrintAndLog("Inverted   : %s", (b.inverted) ? "Yes" : "No" );\r
        PrintAndLog("Offset     : %d", b.offset);\r

+       PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );\r

        PrintAndLog("Block0     : 0x%08X", b.block0);\r
        PrintAndLog("");\r
        return 0;\r
        PrintAndLog("Block0     : 0x%08X", b.block0);\r
        PrintAndLog("");\r
        return 0;\r


@@ -941,18 +1006,21 @@ int CmdT55xxReadTrace(const char *Cmd) {
        uint32_t password = 0;  \r
        if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();\r
 \r
        uint32_t password = 0;  \r
        if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();\r
 \r

-       if (strlen(Cmd)==0)\r
+       if (strlen(Cmd)==0) {\r
+               // sanity check.\r
+               if (!SanityOfflineCheck(FALSE)) return 1;\r
+\r

                if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )\r
                if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )\r

-                       return 0;\r
+                       return 1;\r
+       }\r

 \r
        if ( config.Q5 ){\r
 \r
        if ( config.Q5 ){\r

-               if (!DecodeT5555TraceBlock()) return 0;\r
-       }\r
-       else {\r
-               if (!DecodeT55xxBlock()) return 0;\r
+               if (!DecodeT5555TraceBlock()) return 1;\r
+       } else {\r
+               if (!DecodeT55xxBlock()) return 1;\r

        }\r
        \r
        }\r
        \r

-       if ( !DemodBufferLen ) return 0;\r
+       if ( !DemodBufferLen ) return 1;\r

        \r
        RepaintGraphWindow();\r
        uint8_t repeat = (config.offset > 5) ? 32 : 0;\r
        \r
        RepaintGraphWindow();\r
        uint8_t repeat = (config.offset > 5) ? 32 : 0;\r


@@ -966,7 +1034,7 @@ int CmdT55xxReadTrace(const char *Cmd) {
     \r
                if (hdr != 0x1FF) {\r
                  PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);\r
     \r
                if (hdr != 0x1FF) {\r
                  PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);\r

-                 return 0;\r
+                 return 1;\r

                }\r
     \r
                t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};\r
                }\r
     \r
                t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};\r


@@ -1000,12 +1068,12 @@ int CmdT55xxReadTrace(const char *Cmd) {
                \r
        } else {\r
        \r
                \r
        } else {\r
        \r

-               t55xx_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0,  .lotid = 0, .wafer = 0, .dw = 0};\r
+               t55x7_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0,  .lotid = 0, .wafer = 0, .dw = 0};\r

                \r
                data.acl = PackBits(si, 8,  DemodBuffer); si += 8;\r
                if ( data.acl != 0xE0 ) {\r
                        PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r
                \r
                data.acl = PackBits(si, 8,  DemodBuffer); si += 8;\r
                if ( data.acl != 0xE0 ) {\r
                        PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r

-                       return 0;\r
+                       return 1;\r

                }\r
 \r
                data.mfc     = PackBits(si, 8,  DemodBuffer); si += 8;\r
                }\r
 \r
                data.mfc     = PackBits(si, 8,  DemodBuffer); si += 8;\r


@@ -1024,14 +1092,13 @@ int CmdT55xxReadTrace(const char *Cmd) {
                else\r
                        data.year += 2010;\r
 \r
                else\r
                        data.year += 2010;\r
 \r

-               \r
-               printT55xxTrace(data, repeat);\r
+               printT55x7Trace(data, repeat);\r

        }\r
        return 0;\r
 }\r
 \r
        }\r
        return 0;\r
 }\r
 \r

-void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){\r
-       PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
+void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){\r
+       PrintAndLog("-- T55x7 Trace Information ----------------------------------");\r

        PrintAndLog("-------------------------------------------------------------");\r
        PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1)  : 0x%02X (%d)", data.acl, data.acl);\r
        PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6)    : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));\r
        PrintAndLog("-------------------------------------------------------------");\r
        PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1)  : 0x%02X (%d)", data.acl, data.acl);\r
        PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6)    : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));\r


@@ -1065,6 +1132,7 @@ void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){
                18-32   DW,  die number sequential\r
        */\r
 }\r
                18-32   DW,  die number sequential\r
        */\r
 }\r

+\r

 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){\r
        PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");\r
        PrintAndLog("-------------------------------------------------------------");\r
 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){\r
        PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");\r
        PrintAndLog("-------------------------------------------------------------");\r


@@ -1092,6 +1160,7 @@ void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
        */\r
 }\r
 \r
        */\r
 }\r
 \r

+//need to add Q5 info...\r

 int CmdT55xxInfo(const char *Cmd){\r
        /*\r
                Page 0 Block 0 Configuration data.\r
 int CmdT55xxInfo(const char *Cmd){\r
        /*\r
                Page 0 Block 0 Configuration data.\r


@@ -1104,9 +1173,13 @@ int CmdT55xxInfo(const char *Cmd){
 \r
        if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();\r
        \r
 \r
        if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();\r
        \r

-       if (strlen(Cmd)==0)\r
+       if (strlen(Cmd)==0){\r
+                               // sanity check.\r
+               if (!SanityOfflineCheck(FALSE)) return 1;\r
+               \r

                if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )\r
                        return 1;\r
                if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )\r
                        return 1;\r

+       }\r

 \r
        if (!DecodeT55xxBlock()) return 1;\r
 \r
 \r
        if (!DecodeT55xxBlock()) return 1;\r
 \r


@@ -1135,7 +1208,7 @@ int CmdT55xxInfo(const char *Cmd){
        \r
        if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");\r
        PrintAndLog("");\r
        \r
        if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");\r
        PrintAndLog("");\r

-       PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
+       PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");\r

        PrintAndLog("-------------------------------------------------------------");\r
        PrintAndLog(" Safer key                 : %s", GetSaferStr(safer));\r
        PrintAndLog(" reserved                  : %d", resv);\r
        PrintAndLog("-------------------------------------------------------------");\r
        PrintAndLog(" Safer key                 : %s", GetSaferStr(safer));\r
        PrintAndLog(" reserved                  : %d", resv);\r


@@ -1186,8 +1259,11 @@ int CmdT55xxDump(const char *Cmd){
 \r
 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){\r
        // arg0 bitmodes:\r
 \r
 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){\r
        // arg0 bitmodes:\r

-       // bit0 = pwdmode\r
-       // bit1 = page to read from\r
+       //      bit0 = pwdmode\r
+       //      bit1 = page to read from\r
+       // arg1: which block to read\r
+       // arg2: password\r
+       \r

        uint8_t arg0 = (page<<1) | pwdmode;\r
        UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};\r
        \r
        uint8_t arg0 = (page<<1) | pwdmode;\r
        UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};\r
        \r


@@ -1307,7 +1383,7 @@ void t55x7_create_config_block( int tagtype ){
        switch (tagtype){\r
                case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;\r
                case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;\r
        switch (tagtype){\r
                case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;\r
                case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;\r

-               //case 2: snprintf(retStr, sizeof(buf),"%08X - Q5 Default", Q5_DEFAULT_CONFIG_BLOCK); break;\r
+               case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break;\r

                default:\r
                        break;\r
        }\r
                default:\r
                        break;\r
        }\r


@@ -1334,21 +1410,28 @@ int CmdResetRead(const char *Cmd) {
 int CmdT55xxWipe(const char *Cmd) {\r
        char writeData[20] = {0};\r
        char *ptrData = writeData;\r
 int CmdT55xxWipe(const char *Cmd) {\r
        char writeData[20] = {0};\r
        char *ptrData = writeData;\r

-       \r
+       char cmdp = param_getchar(Cmd, 0);      \r
+       if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();\r
+\r
+       bool Q5 = (cmdp == 'q' || cmdp == 'Q');\r
+\r
+       // Try with the default password to reset block 0\r
+       // With a pwd should work even if pwd bit not set\r

        PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");\r
        PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");\r

+               \r
+       if ( Q5 ){\r
+               snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");\r
+       } else {\r
+               snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");\r
+       }\r

        \r
        \r

-       //try with the default password to reset block 0  (with a pwd should work even if pwd bit not set)\r
-       snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");\r
-       \r
-       if (!CmdT55xxWriteBlock(ptrData))\r
-               PrintAndLog("Error writing blk 0");\r
+       if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");\r

        \r
        for (uint8_t blk = 1; blk<8; blk++) {\r
                \r
                snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);\r
                \r
        \r
        for (uint8_t blk = 1; blk<8; blk++) {\r
                \r
                snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);\r
                \r

-               if (!CmdT55xxWriteBlock(ptrData)) \r
-                       PrintAndLog("Error writing blk %d", blk);\r
+               if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk);\r

                \r
                memset(writeData,0x00, sizeof(writeData));\r
        }\r
                \r
                memset(writeData,0x00, sizeof(writeData));\r
        }\r


@@ -1361,17 +1444,18 @@ int CmdT55xxBruteForce(const char *Cmd) {
        char buf[9];\r
        char filename[FILE_PATH_SIZE]={0};\r
        int     keycnt = 0;\r
        char buf[9];\r
        char filename[FILE_PATH_SIZE]={0};\r
        int     keycnt = 0;\r

+       int ch;\r

        uint8_t stKeyBlock = 20;\r
        uint8_t stKeyBlock = 20;\r

-       uint8_t *keyBlock = NULL, *p;\r
-       keyBlock = calloc(stKeyBlock, 6);\r
-       if (keyBlock == NULL) return 1;\r
-       \r
+       uint8_t *keyBlock = NULL, *p = NULL;\r

     uint32_t start_password = 0x00000000; //start password\r
     uint32_t end_password   = 0xFFFFFFFF; //end   password\r
     bool found = false;\r
 \r
     char cmdp = param_getchar(Cmd, 0);\r
     uint32_t start_password = 0x00000000; //start password\r
     uint32_t end_password   = 0xFFFFFFFF; //end   password\r
     bool found = false;\r
 \r
     char cmdp = param_getchar(Cmd, 0);\r

-    if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();\r
+       if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();\r
+\r
+       keyBlock = calloc(stKeyBlock, 6);\r
+       if (keyBlock == NULL) return 1;\r

 \r
        if (cmdp == 'i' || cmdp == 'I') {\r
        \r
 \r
        if (cmdp == 'i' || cmdp == 'I') {\r
        \r


@@ -1407,6 +1491,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
                                if (!p) {\r
                                        PrintAndLog("Cannot allocate memory for defaultKeys");\r
                                        free(keyBlock);\r
                                if (!p) {\r
                                        PrintAndLog("Cannot allocate memory for defaultKeys");\r
                                        free(keyBlock);\r

+                                       if (f) {\r
+                                               fclose(f);\r
+                                               f = NULL;\r
+                                       }\r

                                        return 2;\r
                                }\r
                                keyBlock = p;\r
                                        return 2;\r
                                }\r
                                keyBlock = p;\r


@@ -1417,10 +1505,13 @@ int CmdT55xxBruteForce(const char *Cmd) {
                        keycnt++;\r
                        memset(buf, 0, sizeof(buf));\r
                }               \r
                        keycnt++;\r
                        memset(buf, 0, sizeof(buf));\r
                }               \r

-               fclose(f);\r
-               \r
+               if (f) {\r
+                       fclose(f);\r
+                       f = NULL;\r
+               }\r

                if (keycnt == 0) {\r
                        PrintAndLog("No keys found in file");\r
                if (keycnt == 0) {\r
                        PrintAndLog("No keys found in file");\r

+                       free(keyBlock);\r

                        return 1;\r
                }\r
                PrintAndLog("Loaded %d keys", keycnt);\r
                        return 1;\r
                }\r
                PrintAndLog("Loaded %d keys", keycnt);\r


@@ -1430,8 +1521,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
                for (uint16_t c = 0; c < keycnt; ++c ) {\r
        \r
                        if (ukbhit()) {\r
                for (uint16_t c = 0; c < keycnt; ++c ) {\r
        \r
                        if (ukbhit()) {\r

-                               getchar();\r
+                               ch = getchar();\r
+                               (void)ch;\r

                                printf("\naborted via keyboard!\n");\r
                                printf("\naborted via keyboard!\n");\r

+                               free(keyBlock);\r

                                return 0;\r
                        }\r
                \r
                                return 0;\r
                        }\r
                \r


@@ -1442,6 +1535,7 @@ int CmdT55xxBruteForce(const char *Cmd) {
                        \r
                        if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {\r
                                PrintAndLog("Aquireing data from device failed. Quitting");\r
                        \r
                        if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {\r
                                PrintAndLog("Aquireing data from device failed. Quitting");\r

+                               free(keyBlock);\r

                                return 0;\r
                        }\r
                        \r
                                return 0;\r
                        }\r
                        \r


@@ -1449,10 +1543,12 @@ int CmdT55xxBruteForce(const char *Cmd) {
 \r
                        if ( found ) {\r
                                PrintAndLog("Found valid password: [%08X]", testpwd);\r
 \r
                        if ( found ) {\r
                                PrintAndLog("Found valid password: [%08X]", testpwd);\r

+                               free(keyBlock);\r

                                return 0;\r
                        } \r
                }\r
                PrintAndLog("Password NOT found.");\r
                                return 0;\r
                        } \r
                }\r
                PrintAndLog("Password NOT found.");\r

+               free(keyBlock);\r

                return 0;\r
        }\r
        \r
                return 0;\r
        }\r
        \r


@@ -1462,7 +1558,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
     start_password = param_get32ex(Cmd, 0, 0, 16);\r
        end_password = param_get32ex(Cmd, 1, 0, 16);\r
        \r
     start_password = param_get32ex(Cmd, 0, 0, 16);\r
        end_password = param_get32ex(Cmd, 1, 0, 16);\r
        \r

-       if ( start_password >= end_password ) return usage_t55xx_bruteforce();\r
+       if ( start_password >= end_password ) {\r
+               free(keyBlock);\r
+               return usage_t55xx_bruteforce();\r
+       }\r

        \r
     PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);\r
        \r
        \r
     PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);\r
        \r


@@ -1473,13 +1572,16 @@ int CmdT55xxBruteForce(const char *Cmd) {
                printf(".");\r
                fflush(stdout);\r
                if (ukbhit()) {\r
                printf(".");\r
                fflush(stdout);\r
                if (ukbhit()) {\r

-                       getchar();\r
+                       ch = getchar();\r
+                       (void)ch;\r

                        printf("\naborted via keyboard!\n");\r
                        printf("\naborted via keyboard!\n");\r

+                       free(keyBlock);\r

                        return 0;\r
                }\r
                        \r
                if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {\r
                        PrintAndLog("Aquireing data from device failed. Quitting");\r
                        return 0;\r
                }\r
                        \r
                if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {\r
                        PrintAndLog("Aquireing data from device failed. Quitting");\r

+                       free(keyBlock);\r

                        return 0;\r
                }\r
                found = tryDetectModulation();\r
                        return 0;\r
                }\r
                found = tryDetectModulation();\r


@@ -1494,32 +1596,125 @@ int CmdT55xxBruteForce(const char *Cmd) {
                PrintAndLog("Found valid password: [%08x]", i);\r
     else\r
                PrintAndLog("Password NOT found. Last tried: [%08x]", --i);\r
                PrintAndLog("Found valid password: [%08x]", i);\r
     else\r
                PrintAndLog("Password NOT found. Last tried: [%08x]", --i);\r

+\r
+       free(keyBlock);\r

     return 0;\r
 }\r
 \r
     return 0;\r
 }\r
 \r

+int tryOnePassword(uint32_t password) {\r
+       PrintAndLog("Trying password %08x", password);\r
+       if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, password)) {\r
+               PrintAndLog("Aquireing data from device failed. Quitting");\r
+               return -1;\r
+       }\r
+\r
+       if (tryDetectModulation())\r
+               return 1;\r
+       else return 0;\r
+}\r
+\r
+int CmdT55xxRecoverPW(const char *Cmd) {\r
+       int bit = 0;\r
+       uint32_t orig_password = 0x0;\r
+       uint32_t curr_password = 0x0;\r
+       uint32_t prev_password = 0xffffffff;\r
+       uint32_t mask = 0x0;\r
+       int found = 0;\r
+\r
+       char cmdp = param_getchar(Cmd, 0);\r
+       if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_recoverpw();\r
+\r
+       orig_password = param_get32ex(Cmd, 0, 0x51243648, 16); //password used by handheld cloners\r
+\r
+       // first try fliping each bit in the expected password\r
+       while ((found != 1) && (bit < 32)) {\r
+               curr_password = orig_password ^ ( 1 << bit );\r
+               found = tryOnePassword(curr_password);\r
+               if (found == 1)\r
+                       goto done;\r
+               else if (found == -1)\r
+                       return 0;\r
+               bit++;\r
+       }\r
+\r
+       // now try to use partial original password, since block 7 should have been completely\r
+       // erased during the write sequence and it is possible that only partial password has been\r
+       // written\r
+       // not sure from which end the bit bits are written, so try from both ends \r
+       // from low bit to high bit\r
+       bit = 0;\r
+       while ((found != 1) && (bit < 32)) {\r
+               mask += ( 1 << bit );\r
+               curr_password = orig_password & mask;\r
+               // if updated mask didn't change the password, don't try it again\r
+               if (prev_password == curr_password) {\r
+                       bit++;\r
+                       continue;\r
+               }\r
+               found = tryOnePassword(curr_password);\r
+               if (found == 1)\r
+                       goto done;\r
+               else if (found == -1)\r
+                       return 0;\r
+               bit++;\r
+               prev_password=curr_password;\r
+       }\r
+\r
+       // from high bit to low\r
+       bit = 0;\r
+       mask = 0xffffffff;\r
+       while ((found != 1) && (bit < 32)) {\r
+               mask -= ( 1 << bit );\r
+               curr_password = orig_password & mask;\r
+               // if updated mask didn't change the password, don't try it again\r
+               if (prev_password == curr_password) {\r
+                       bit++;\r
+                       continue;\r
+               }\r
+               found = tryOnePassword(curr_password);\r
+               if (found == 1)\r
+                       goto done;\r
+               else if (found == -1)\r
+                       return 0;\r
+               bit++;\r
+               prev_password=curr_password;\r
+       }\r
+done:\r
+       PrintAndLog("");\r
+\r
+       if (found == 1)\r
+               PrintAndLog("Found valid password: [%08x]", curr_password);\r
+       else\r
+               PrintAndLog("Password NOT found.");\r
+\r
+       return 0;\r
+}\r
+\r

 static command_t CommandTable[] = {\r
        {"help",                CmdHelp,           1, "This help"},\r
 static command_t CommandTable[] = {\r
        {"help",                CmdHelp,           1, "This help"},\r

-       {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},\r
+       {"bruteforce",  CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},\r

        {"config",              CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
        {"detect",              CmdT55xxDetect,    1, "[1] Try detecting the tag modulation from reading the configuration block."},\r
        {"dump",                CmdT55xxDump,      0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},\r
        {"info",                CmdT55xxInfo,      1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},\r
        {"read",                CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},\r
        {"resetread",   CmdResetRead,      0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},\r
        {"config",              CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
        {"detect",              CmdT55xxDetect,    1, "[1] Try detecting the tag modulation from reading the configuration block."},\r
        {"dump",                CmdT55xxDump,      0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},\r
        {"info",                CmdT55xxInfo,      1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},\r
        {"read",                CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},\r
        {"resetread",   CmdResetRead,      0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},\r

+       {"recoverpw",   CmdT55xxRecoverPW, 0, "[password] Try to recover from bad password write from a cloner. Only use on PW protected chips!"},\r

        {"special",             special,           0, "Show block changes with 64 different offsets"},  \r
        {"trace",               CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},\r
        {"wakeup",              CmdT55xxWakeUp,    0, "Send AOR wakeup command"},\r
        {"special",             special,           0, "Show block changes with 64 different offsets"},  \r
        {"trace",               CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},\r
        {"wakeup",              CmdT55xxWakeUp,    0, "Send AOR wakeup command"},\r

-       {"wipe",                CmdT55xxWipe,      0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},\r
+       {"wipe",                CmdT55xxWipe,      0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},\r

        {"write",               CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},\r
        {NULL, NULL, 0, NULL}\r
 };\r
 \r
 int CmdLFT55XX(const char *Cmd) {\r
        {"write",               CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},\r
        {NULL, NULL, 0, NULL}\r
 };\r
 \r
 int CmdLFT55XX(const char *Cmd) {\r

-  CmdsParse(CommandTable, Cmd);\r
-  return 0;\r
+       clearCommandBuffer();\r
+       CmdsParse(CommandTable, Cmd);\r
+       return 0;\r

 }\r
 \r
 int CmdHelp(const char *Cmd) {\r
 }\r
 \r
 int CmdHelp(const char *Cmd) {\r

-  CmdsHelp(CommandTable);\r
-  return 0;\r
+       CmdsHelp(CommandTable);\r
+       return 0;\r

 }\r
 }\r